洛阳钢厂改造５５０开坯加热炉洛阳钢厂－轧分厂现有５５０开坯轧机两架，三段连续式加热炉一座，该炉的技术参数如下：随着生产的不断发展，该加热炉越来越显得加热能力不足．为此１９９１年１２月利用大修机会进行了一次大规模改造．改造的具体措施如下：（１）炉膛加宽... Luoyang Steel Plant transformation of 550 billet heating furnace Luoyang Steel Plant - rolling plant existing 550 two-block rolling mill, a three-stage continuous furnace, the furnace technical parameters are as follows: With the continuous development of production, the furnace Increasingly, heating capacity is not enough. To this end in December 1991 to make use of overhaul opportunities for a large-scale transformation. Specific measures to transform the following: (1) furnace widening ...